Ferrobend | Industrial Flanges Manufacturer & Supplier

DIMENSIONAL DATA

NPS	Flange OD (O)	Thickness (T)	Hub Diameter (X)	Hub Length (Y)	Thread Length (T)	Bolt Circle Dia.	No. of Holes	Hole Dia.	Approx. Weight LBS	Approx. Weight KGS
1/2	3.75	0.50	1.50	0.81	0.62	2.63	4	0,63	2	0.9
3/4	4.62	0.56	1.88	0.94	0.62	3.25	4	0.75	3	1.4
1	4.88	0.62	2.12	1.00	0.69	3.50	4	0.75	3	1.4
1-1/4	5.25	0.69	2.50	1.00	0.81	3.88	4	0.75	4.5	2
1-1/2	6.12	0.75	2.75	1.13	0.88	4.50	4	0.88	6.5	2.9
2	6.50	0.81	3.31	1.25	1.12	5.00	8	0.75	7	3.2
2-1/2	7.50	0.94	3.94	1.44	1.25	5.88	8	0.88	10	4.5
3	8.25	1.06	4.62	1.63	1.25	6.63	8	0.88	13.9	6.3
3-1/2	9.00	1.12	5.25	1.69	1.44	7.25	8	0.88	17	7.7
4	10.00	1.19	5.75	1.82	1.44	7.88	8	0.88	23.8	10,8
5	11.00	1.31	7.00	1.94	1.69	9.25	8	0.88	27.8	12.6
6	12.50	1.38	8.12	2.00	1.81	10.63	12	0.88	39	17.6
8	15.00	1.56	10.25	2.38	2.00	13.00	12	1.00	58	26.3
10	17.50	1.81	12.62	2.56	2.19	15.25	16	1.13	81	36.7
12	20.50	1.94	14.75	2.82	2.38	17.25	16	1.25	115	52.2
14	23.00	2.06	16.75	2.94	2.50	20.25	20	1.25	165	74.8
16	25.50	2.19	19.00	3.19	2.69	22.50	20	1.38	218.2	99
18	28.00	2.31	21.00	3.44	2.75	24.75	24	1.38	277.8	126
20	30.50	2.44	23.12	3.69	2.88	27.00	24	1.38	322.5	146.3
22	33.00	2.56	25.25	3.94	...	29.25	24	1.63	367	166.5
24	36.00	2.69	27.62	4.13	3.25	32.00	24	1.63	486.1	220.5

NPS	Flange OD (O)	Thickness (T)	Hub Diameter (X)	Hub Length (Y)	Thread Length (T)	Bolt Circle Dia.	No. of Holes	Hole Dia.	Approx. Weight LBS	Approx. Weight KGS
1/2	95	12.7	38	21	16	66.80	4	16.00	2	0.9
3/4	117	14.2	48	24	16	82.55	4	19.05	3	1.4
1	124	15.7	54	25	18	88.90	4	19.05	3	1.4
1-1/4	133	17.5	64	25	21	98.55	4	19.05	4.5	2
1-1/2	155	19.0	70	29	22	114.30	4	22.35	6.5	2.9
2	165	20.6	84	32	28	127.00	8	19.05	7	3.2
2-1/2	190	23.9	100	37	32	149.35	8	22.35	10	4.5
3	210	26.9	117	41	32	168.40	8	22.35	13.9	6.3
3-1/2	229	28.4	133	43	37	184.15	8	22.35	17	7.7
4	254	30.2	146	46	37	200.15	8	22.35	23.8	10.8
5	279	33.3	178	49	43	234.95	8	22.35	27.8	12.6
6	318	35.1	206	51	46	270.00	12	22.35	39	17.6
8	381	39.6	260	60	51	330.20	12	25.40	58	26.3
10	444	46.0	321	65	56	387.35	16	28.70	81	36.7
12	521	49.3	375	72	60	450.85	16	31.75	115	52.2
14	584	52.3	425	75	64	514.35	20	31.75	165	74.8
16	648	55.6	483	81	68	571.5	20	35.05	218.2	99
18	711	58.7	533	87	70	628.65	20	35.05	277.8	126
20	775	62.0	587	94	73	685.80	24	35.05	322.5	146.3
22	838	65.0	641	100	-	742.95	24	41.40	367	166.5
24	914	68.3	702	105	83	812.80	24	41.40	486.1	220.5

Dimensions are based on ASME B16.5 Class 300 flange requirements. Refer to the applicable standard for complete dimensional requirements.

ASME B16.5 Class 300
Threaded Flange